20493660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31051}}^1$

素因数の和:31074

約数の個数: 48

約数和(自身を含む): 62600832

約数和(自身を除く): 42107172

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 31051, 62102, 93153, 124204, 155255, 186306, 310510, 341561, 372612, 465765, 621020, 683122, 931530, 1024683, 1366244, 1707805, 1863060, 2049366, 3415610, 4098732, 5123415, 6831220, 10246830, 20493660]

約数ペア:

[(1, 20493660), (2, 10246830), (3, 6831220), (4, 5123415), (5, 4098732), (6, 3415610), (10, 2049366), (11, 1863060), (12, 1707805), (15, 1366244), (20, 1024683), (22, 931530), (30, 683122), (33, 621020), (44, 465765), (55, 372612), (60, 341561), (66, 310510), (110, 186306), (132, 155255), (165, 124204), (220, 93153), (330, 62102), (660, 31051)]